Analysis

  • max time kernel
    136s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:17

General

  • Target

    RFQ.exe

  • Size

    526KB

  • MD5

    11cf56fdc6a4d1ad12da37708109133c

  • SHA1

    245918d53b70ad2df2906dcc27284d09a6dc420c

  • SHA256

    8cc912eb69cd18bfe0f087b5861c6a9db0937a39ab6db66e08ca2caa344f7402

  • SHA512

    d4143503e44e577b08e8f5f76eb3cef33308e6d8d84c0d2221aaeb1475f6b02bd4c9eee90eb4c5436edfdc9f16df77164ab67ed02f99f028be720c00a1f6253f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1544-64-0x000000000044737E-mapping.dmp

  • memory/1544-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-59-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-63-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-66-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-68-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1544-69-0x0000000075381000-0x0000000075383000-memory.dmp

    Filesize

    8KB

  • memory/2024-55-0x00000000003C0000-0x00000000003CA000-memory.dmp

    Filesize

    40KB

  • memory/2024-56-0x0000000000E90000-0x0000000000F06000-memory.dmp

    Filesize

    472KB

  • memory/2024-57-0x0000000000300000-0x000000000036A000-memory.dmp

    Filesize

    424KB

  • memory/2024-54-0x0000000001020000-0x00000000010AA000-memory.dmp

    Filesize

    552KB